Only Qualified Doctors
Allergists
An allergist or immunologist focuses on preventing and treating allergic diseases and conditions. These usually include various types of allergies and asthma.
Dermatologists
Dermatologists focus on diseases and conditions of the skin, nails, and hair. They treat conditions such as eczema, skin cancer, acne, and psoriasis.
Infectious disease doctors
Infectious disease doctors specialize in diseases and conditions that are contagious. These may include:
- cellulitis
- influenza
- bacterial infections, including Clostridium difficile, a bacterium that causes diarrhea and stomach issues
- infections after surgery or hospital care
- tuberculosis
- pneumonia
- parasite infections
- HIV
Ophthalmologists
Ophthalmologists specialize in eye and vision care. They treat diseases and conditions of the eyes and can perform eye surgery.
Ophthalmologists treat people with complex eye conditions and may also see people for routine eye care, including prescribing glasses and performing checkups.
Obstetrician/gynecologists
Obstetrician/gynecologists (OB/GYNs) provide preventive care and disease management for female health conditions. These include:
- female reproductive health
- cancer prevention and diagnosis in the female reproductive organs
- breast care
- pregnancy
- labor and delivery
- infertility
- menopause
Cardiologists
Cardiologists focus on the cardiovascular system, which includes the heart and blood vessels. They treat many cardiovascular conditions, such as:
- high blood pressure
- high cholesterol
- heart attack and stroke
- heart rhythm problems
- congestive heart failure
Endocrinologists
Endocrinologists treat disorders and conditions that affect the endocrine system. This system involves various glands that make and release hormones in the body.
Endocrinologists treat hormone-related conditions such as:
- diabetes
- thyroid conditions
- hormone imbalances
- infertility
- growth problems in children
- adrenal gland conditions
Gastroenterologists
Gastroenterologists focus on the digestive system. This includes the esophagus, pancreas, stomach, liver, small intestine, colon, and gallbladder.
Gastroenterologists also perform procedures such as endoscopy, sigmoidoscopy, and colonoscopy.
Nephrologists
A nephrologist focuses on kidney care and conditions that affect the kidneys. Conditions they can treat include:
- kidney disease
- renal (kidney) failure
- diabetes
- kidney stones
- lupus
- hypertension
Urologists
Urologists treat conditions of the urinary tract in both males and females. They also focus on male reproductive health.
Some urologists focus on a specific area within urology, such as female urology or male infertility.
Pulmonologists
Pulmonologists focus on the organs involved with breathing. These include the lungs and heart.
Pulmonologists may work in hospitals to provide ventilation or life support. They also see people in the office to treat breathing disorders, lung conditions, and allergies.
Pulmonologists also require training in internal medicine or pediatrics.
Otolaryngologists
Otolaryngologists are sometimes known as “ear, nose, and throat” (ENT) doctors.
An ENT doctor may treat problems with the sinuses, throat, tonsils, ears, mouth, head, and neck. Some ENT doctors undergo additional training to focus on one specific area, such as pediatrics or rhinology, which refers to the nose and sinuses.
Neurologists
A neurologist treats conditions of the nerves, spine, and brain. People may see a neurologist for:
- epilepsy
- Alzheimer’s disease
- Parkinson’s disease
- multiple sclerosis
- neuropathy
- stroke
- migraine
Psychiatrists
A psychiatrist is a doctor who treats mental health conditions. They may use counseling, medication, or hospitalization as part of their treatment.
Some psychiatrists have a subspecialty in a specific area, such as adolescent mental health or addiction medicine.
Oncologists
Oncologists treat cancer and its symptoms. During treatment for cancer, a person may have several types of healthcare professional in their care team.
According to the American Cancer Society, some cancer care professionals have specific training in:
- certain types of cancer
- specific cancer treatments
- certain areas of the body
- cancer-related health problems
- care coordination
Radiologists
A radiologist specializes in diagnosing and treating conditions using medical imaging tests. They may read and interpret scans such as X-rays, MRIs, mammograms, ultrasound, and CT scans.
They may be one of three types:
- Diagnostic radiologists: These doctors use imaging procedures to look for health problems. They can also interpret images on tests and provide information to a person’s doctor about the results.
- Interventional radiologists: These doctors use imaging, including X-rays and MRI scans, paired with medical procedures. They may help treat conditions such as heart disease, stroke, and cancer.
- Radiation oncologists: These doctors prescribe cancer treatment using radiation therapy.
Rheumatologists
A rheumatologist diagnoses and treats rheumatic diseases. These are autoimmune conditions that can affect the bones, joints, and muscles.
Some common rheumatic diseases include:
- rheumatoid arthritis
- osteoarthritis
- gout
- lupus
- scleroderma
- psoriatic arthritis
General surgeons
General surgeons perform surgical procedures on many organs and bodily systems. They may have training in diseases of the:
- abdomen
- breast
- endocrine system
- gastrointestinal system
- skin
Orthopedic surgeons
An orthopedic surgeon specializes in diseases and conditions of the bones, muscles, ligaments, tendons, and joints. They may treat:
- arthritis
- sports injuries
- bone tumors
- back pain
- broken bones
- osteoporosis
- repetitive strain injuries, such as carpal tunnel syndrome or tennis elbow
Cardiac surgeons
Cardiac surgeons perform heart surgery and may work with a cardiologist to determine what a person needs.
Cardiac surgeons perform procedures including heart bypass surgery and placing stents in the heart.
Anesthesiologists
Anesthesiologists focus on a person’s well-being before, during, and after surgery. This may include administering pain medicine, relaxation medication, or medicine to put a person to sleep.
Anesthesiologists monitor people during surgery to ensure that their body’s vital signs are stable. They may also work with the person after surgery to make sure that their pain is under control.

